SICP uses Scheme, not Common Lisp. Edit: Here's a list of available Scheme implementations. SICP uses MIT/GNU Scheme, which uses an Emacs-like editor. http://

SICP uses Scheme, not Common Lisp. Edit: Here's a list of available Scheme implementations. SICP uses MIT/GNU Scheme, which uses an Emacs-like editor. http://groups.csail.mit.edu/mac/projects/scheme/ http://groups.csail.mit.edu/mac/projects/scheme/